export class UUID{
    static getOne() {
        let s = [];
        let hexDigits = "0123456789abcdef";
        for (let i = 0; i < 36; i++) {
            s[i] = hexDigits.substr(Math.floor(Math.random() * 0x10), 1);
        }
        s[14] = "4";
        s[19] = hexDigits.substr(s[19] & 0x3 | 0x8, 1);

        s[8] = s[13] = s[18] = s[23] = "-";

        return s.join("");
    }
}
